"use strict";
const path = require("path");
const webpack = require("webpack");
const { defineConfig } = require("@vue/cli-service");
const TerserPlugin = require("terser-webpack-plugin");
const CopyWebpackPlugin = require("copy-webpack-plugin");

const CompressionPlugin = require("compression-webpack-plugin");
const UglifyJsPlugin = require("uglifyjs-webpack-plugin");

const port = process.env.VUE_FRONT_PORT || process.env.port || process.env.npm_config_port || 80; // 端口

console.log("port",port);

// 定义resolve函数用于路径解析
function resolve(dir) {
  return path.join(__dirname, dir);
}
// vue.config.js 配置说明
module.exports = {
  // 部署生产环境和开发环境下的URL。
  // 默认情况下，Vue CLI 会假设你的应用是被部署在一个域名的根路径上
  publicPath: process.env.NODE_ENV === "production" ? "/" : "/",
  // 在npm run build 或 yarn build 时 ，生成文件的目录名称（要和baseUrl的生产环境路径一致）（默认dist）
  outputDir: "dist",
  // 用于放置生成的静态资源 (js、css、img、fonts) 的；（项目打包之后，静态资源会放在这个文件夹下）
  assetsDir: "static",
  // 是否开启eslint保存检测，有效值：ture | false | 'error'
  lintOnSave: process.env.NODE_ENV === "development",
  // 如果你不需要生产环境的 source map，可以将其设置为 false 以加速生产环境构建。
  productionSourceMap: false,
  // webpack-dev-server 相关配置
  devServer: {
    host: "0.0.0.0",
    port: port,
    open: true,
    disableHostCheck: true,
    // 代理配置 - 支持相对路径请求
    proxy: {
      '/api': {
        target: process.env.VUE_APP_PROXY_TARGET || 'http://localhost:8080',
        changeOrigin: true,
        secure: false,
        logLevel: 'debug',
        onProxyReq(proxyReq, req, res) {
          console.log('🚀 Admin API代理:', req.url, '->', proxyReq.getHeader('host'))
        }
      },
      '/login': {
        target: process.env.VUE_APP_PROXY_TARGET || 'http://localhost:8080',
        changeOrigin: true,
        secure: false
      },
      '/logout': {
        target: process.env.VUE_APP_PROXY_TARGET || 'http://localhost:8080',
        changeOrigin: true,
        secure: false
      },
      '/getRouters': {
        target: process.env.VUE_APP_PROXY_TARGET || 'http://localhost:8080',
        changeOrigin: true,
        secure: false
      },
      '/setting': {
        target: process.env.VUE_APP_PROXY_TARGET || 'http://localhost:8080',
        changeOrigin: true,
        secure: false
      },
      '/system': {
        target: process.env.VUE_APP_PROXY_TARGET || 'http://localhost:8080',
        changeOrigin: true,
        secure: false
      },
      '/common': {
        target: process.env.VUE_APP_PROXY_TARGET || 'http://localhost:8080',
        changeOrigin: true,
        secure: false
      },
      '/druid': {
        target: process.env.VUE_APP_PROXY_TARGET || 'http://localhost:8080',
        changeOrigin: true,
        secure: false
      },
      '/webSocket': {
        target: process.env.VUE_APP_PROXY_TARGET || 'http://localhost:8080',
        changeOrigin: true,
        secure: false,
        ws: true
      }
    }
  },
  css: {
    loaderOptions: {
      sass: {
        sassOptions: { outputStyle: "expanded" },
      },
    },
  },
  configureWebpack: {
    resolve: {
      alias: {
        "@": resolve("src"),
      },
    },
    plugins: [
      // new CompressionPlugin({
      //   cache: false, // 不启用文件缓存
      //   test: /\.(js|css|html)?$/i, // 压缩文件格式
      //   filename: "[path].gz[query]", // 压缩后的文件名
      //   algorithm: "gzip", // 使用gzip压缩
      //   minRatio: 0.8, // 压缩率小于1才会压缩
      // }),
      process.env.NODE_ENV === "production"
        ? new UglifyJsPlugin({
            uglifyOptions: {
              output: {
                comments: false, // 去掉注释
              },
              warnings: false, // 禁用警告
              compress: {
                drop_console: process.env.NODE_ENV === "production",
                drop_debugger: true,
                // pure_funcs: ["console.log"], // 移除console
              },
            },
          })
        : null,
    ].filter(Boolean),
  },
  chainWebpack(config) {
    config.plugins.delete("preload"); // TODO: need test
    config.plugins.delete("prefetch"); // TODO: need test

    // set svg-sprite-loader
    config.module.rule("svg").exclude.add(resolve("src/assets/icons")).end();
    config.module
      .rule("icons")
      .test(/\.svg$/)
      .include.add(resolve("src/assets/icons"))
      .end()
      .use("svg-sprite-loader")
      .loader("svg-sprite-loader")
      .options({
        symbolId: "icon-[name]",
      })
      .end();

    //  html解析
    config.plugin("html").tap((args) => {
      args[0].title = process.env.VUE_APP_TITLE;
      args[0].platform = process.env.VUE_APP_ENV;
      return args;
    });

    config.when(process.env.NODE_ENV === "production", (config) => {
      // 生产配置
      config
        .plugin("ScriptExtHtmlWebpackPlugin")
        .after("html")
        .use("script-ext-html-webpack-plugin", [
          {
            // `runtime` must same as runtimeChunk name. default is `runtime`
            inline: /runtime\..*\.js$/,
          },
        ])
        .end();

      config.optimization.splitChunks({
        chunks: "all",
        cacheGroups: {
          libs: {
            name: "chunk-libs",
            test: /[\\/]node_modules[\\/]/,
            priority: 10,
            chunks: "initial", // only package third parties that are initially dependent
          },
          elementUI: {
            name: "chunk-elementUI", // split elementUI into a single package
            test: /[\\/]node_modules[\\/]_?element-ui(.*)/, // in order to adapt to cnpm
            priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
          },
          commons: {
            name: "chunk-commons",
            test: resolve("src/components"), // can customize your rules
            minChunks: 3, //  minimum common number
            priority: 5,
            reuseExistingChunk: true,
          },
        },
      });

      config.optimization.runtimeChunk("single"),
        {
          from: path.resolve(__dirname, "./public/robots.txt"), //防爬虫文件
          to: "./", //到根目录下
        };
    });
  },
};
